Question

the amount will become 3 times of principal in 10 years at what percent per annum?​

Answer 1

Detailed Solution. ∴ The rate of interest per annum is 20%.

Answer 2

Answer:

20%

Step-by-step explanation:

let's assume the principal is 100 rupees.. according to the question, in 10 years the amount will be 3×1003D300 rs. (R =percentage) so, 100+ (100×10×R)/100= 300 or, 100+ 10R =300 or, 10R= 200 so, R = 20% %3D